NTC Thermistor:TCF Type

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1 Features 1. RoHS compliant 2. Body size ψ3mm 3. Radial lead resin coated ~ +100 operating temperature range 5. Wide resistance range 6. Cost effective 7. Agency recognition: UL /cul Recommended Applications 1. Home appliances (air conditioner, refrigerator, electric fan, electric cooker, washing machine, microwave oven, drinking machine, CTV, radio.) 2. Automotive electronics 3. Computers 4. Digital meter Part Number Code Product Type Thinking TCF NTC thermistor TCF type Size 3 ψ3mm Definition A B 25/85 Zero Power Resistance at 25 (R 25) 102 1KΩ KΩ KΩ Tolerance R 25 F ±1% G ±2% H ±3% J ±5% K ±10% First Two Digits : : Last Two Digits 0 A 1 B 2 H 8 J 9 K Tolerance 1 ±1% 2 ±2% 3 ±3% A Appearance 0.5 x 0.2mm straight lead Optional Suffix RoHS Y compliant B B 25/50 Structure and Dimensions 3.8 max. 2.4 max. Tiebar cut 0.7± ± ± ±0.5 (Unit:mm) THINKING ELECTRONIC INDUSTRIAL Co., LTD

2 Electrical Characteristics Part No. Zero Power Resistance at 25 C Tolerance R 25 B 25/85 Value Tolerance B value Max. Power Rating at 25 C Dissipation Factor Thermal Time Constant Operating Range Safety Approvals R 25 (KΩ) ( ±%) (K) (±%) P max(mw) δ(mw/ C) τ(sec.) T L~T U( C) UL cul TCF3A * TCF3A502 33C* TCF3A103 34D* TCF3A * TCF3A203 40B* Approx. Approx ~+100 TCF3A * TCF3A * TCF3A * TCF3A * TCF3A * Note 1: = Tolerance R 25, * = Tolerance B value Note 2: UL/cUL File No E Power Derating Curve Max power rating (%) T U :Maximum operating temperature ( ) T L :Minimum operating temperature ( ) For example:ambient temperature(ta)=55 Maximum operating temperature(t U )=100 P Ta =(T U -Ta)/(T U -25) Pmax=60% Pmax T L 0 25 T U Ambient temperature ( ) THINKING ELECTRONIC INDUSTRIAL Co., LTD

3 R-T Characteristic Curves (representative) TCF3A *~TCF3A * 1000 Resistance(KΩ) TCF3A * TCF3A * TCF3A * TCF3A203 40B* TCF3A * TCF3A103 34D* TCF3A502 33C* TCF3A * Soldering Recommendation Wave Soldering Prile Preheating ( ) Soldering Cooling 260 Max 130±20 Note 2 Note 3 Note 1: (1~3 )/sec Note 1 Note 2: Approx. 200 /sec Tamb Note 3: 5 /sec. (Max) 30~90 sec. <1 sec. <10 sec. Time Recommended Reworking Conditions With Soldering Iron Item Soldering Iron-tip Soldering Time Distance from Thermistor Conditions 360 (max.) 3 sec (max.) 2 mm (min.) THINKING ELECTRONIC INDUSTRIAL Co., LTD

4 Reliability Item Standard Test conditions / Methods Specifications Gradually applying the force specified and keeping the unit fixed for 10±1 sec Tensile Strength Terminals IEC Terminal cross-sectional area (mm2) Force (Kg) 0.1<S Hold specimen and apply the force specified below to each lead. Bend the specimen to 90, then return to the original position. Repeat the procedure in the opposite direction. Bending Strength Terminals IEC Terminal cross-sectional area Force (mm2) (Kg) 0.1<S Solderability IEC ± 5, 2 ± 0.5 sec Resistance to Soldering Heat High Storage Damp Heat, Steady State IEC IEC IEC ± 5, 10 ± 1 sec 100 ± 5, 1000 ± 24 hrs 40 ± 2, 90~95% RH, 1000 ± 24 hrs At least 95% terminal electrode is covered by new solder R 25/R 25 5 % Thec conditions shown below shall be repeated 5 cycles Step ( ) Period (minutes) Rapid Change IEC ± 5 30 ± 3 2 Room temperature 5 ± ± 5 30 ± 3 4 Room temperature 5 ± 3 Life Test IEC ± 5, Pmax., 1000 ± 24 hrs Insulation Test Hi-pot Test MIL-STD- 202F- Method 302 MIL-STD- 202F- Method V DC 1 min R 25 /R 25 5 % 100 MΩ 1000 V AC 1 min THINKING ELECTRONIC INDUSTRIAL Co., LTD

5 Packaging Bulk Packing:1000 pcs/ bag Storage Conditions Products Storage Conditions: 1. Storage : -10 ~ Relative Humidity: 75%RH 3. Keep away from corrosive atmosphere and sunlight. Period Storage :1 year THINKING ELECTRONIC INDUSTRIAL Co., LTD